UNDERHILL, L. G.; BROOKS, M. Bird distribution dynamics 2 - Maccoa Duck Oxyura maccoa In South Africa, Lesotho and Swaziland. Biodiversity Observations, [S. l.], v. 7, p. 1–8, 2016. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/381. Acesso em: 5 dec. 2022.